Should I disable swap Ubuntu? Swap in Linux is a space on a disk drive (HDD or SSD) that is used when the amount of physical memory (RAM) tends to get full. Although it protects Linux system from getting out of memory, in certain cases it is recommended to disable swap.
How do I disable swap file?
- At a shell prompt as root, execute the following command to disable the swap file (where /swapfile is the swap file): # swapoff -v /swapfile.
- Remove its entry from the /etc/fstab file.
- Remove the actual file: # rm /swapfile.
Should I disable swap? So, one might ask, since I have more than enough memory available, wouldn’t it better to delete swap space? The short answer is, No. There are performance benefits when swap space is enabled, even when you have more than enough ram.
How do I permanently enable swap in Linux?
- Pull up a terminal and run gksu gparted & and enter your root password.
- Right-click on your swap partition and choose *Information*.
- Run gksu gedit /etc/fstab & and look for the line that has *swap* in it.
- Save the file.
- Enable the new swap partition with this command.